Home / 1,430,579.16-1,975,066.29-947,558.34

Finding the Fourth Proportional to 1,430,579.16, 1,975,066.29 and 947,558.34

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Solution

The fourth proportional to 1,430,579.16, 1,975,066.29 and 947,558.34 is: 1,308,204.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,579.16 : 1,975,066.29 = 947,558.34 : x
  2. Step 2: Convert to fraction form
    1,430,579.16/1,975,066.29 = 947,558.34/x
  3. Step 3: Cross multiply
    1,430,579.16x = 1,975,066.29 × 947,558.34
  4. Step 4: Simplify right side
    1,430,579.16x = 1,871,490,535,142.36
  5. Step 5: Solve for x
    x = 1,871,490,535,142.36/1,430,579.16
  6. Step 6: Final answer
    x = 1,308,204.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.